Studies in a consanguineous family reveal a novel locus for stuttering on chromosome 16q - Muhammad Hashim Raza; Rana Amjad; Sheikh Riazuddin; Dennis Drayna (Human Genetics, 2012)

Identification of an autosomal recessive stuttering locus on chromosome 3q13.2–3q13.33 - Muhammad Hashim Raza; Sheikh Riazuddin; Dennis Drayna (Human Genetics, 2010)